I'll try that but I may have been there. I did too many combos to recall for sure though.
----- Original Message ----- From: "Antonius Hellmann" <[EMAIL PROTECTED]> To: "Michael Sevakis" <[EMAIL PROTECTED]>; "Rockbox development" <rockbox-dev@cool.haxx.se> Sent: Wednesday, May 09, 2007 2:11 PM Subject: Re: Sansa (PP502x?) GPIO interrupts in rockbox software > I just checked your patch. One idea: > Probably the reading/writing of the gpio input generates another interrupt, > which in turn again accesses the gpio register? If I have it right, then the > original software disables the interrupt (GPIOH_INT_CLEAR), before reading > the registers and reenables the irq again at the end of the irq routine. > > ----- Original Message ----- > From: "Michael Sevakis" <[EMAIL PROTECTED]> > To: "Barry Wardell" <[EMAIL PROTECTED]>; "Rockbox development" > <rockbox-dev@cool.haxx.se> > Sent: Wednesday, May 09, 2007 5:33 PM > Subject: Re: Sansa (PP502x?) GPIO interrupts in rockbox software > > > > It doesn't seem to actually enable the GPIO interrupts. > > > > When I do, thinks break badly with rockbox stuck at a black screen when > > the > > logo should be displayed but GPIO IRQs functional. The firmware doesn't > > seem > > to actually be running because the buttons themselves are still being > > polled > > and do work otherwise. > > > > Here the quick tester which I'd expect to have boot, disable the > > scrollwheel > > and blink when turned. It only does the latter two. > > > > You'll get some warnings but that's irrelevant to this check. > > > > > > ----- Original Message ----- > > From: "Barry Wardell" <[EMAIL PROTECTED]> > > To: "Michael Sevakis" <[EMAIL PROTECTED]>; "Rockbox development" > > <rockbox-dev@cool.haxx.se> > > Sent: Wednesday, May 09, 2007 4:34 AM > > Subject: Re: Sansa (PP502x?) GPIO interrupts in rockbox software > > > > > >> On 5/9/07, Michael Sevakis <[EMAIL PROTECTED]> wrote: > >> > I would've whipped up a IRQ button driver real quick and committed it > > but I > >> > see I've been beaten to it while fixing playback bugs. :) > >> > >> Well apparently the one I posted has some problems with it still and I > >> still don't have my Sansa with me for testing so I can't do much more > >> with it for now. Feel free to fix it up and commit ;) > >> > >> One word of caution - it was based on a older version of the button > >> driver, so some of the newer fixes that were added in the past while > >> may not be present. > > > > > > >
